Menace
Drop — Whenever Avatar of the Decks or another creature you control enters, if the entering creature was cast, sacrifice a permanent unless you didn't cast any creature spells during your last turn.

Haste
Drop — Whenever Avatar of the Moshpit or another creature you control enters, if the entering creature was cast and you didn't cast any creature spells during your last turn, discard your hand, then draw three cards.

Reach
Drop — Whenever Avatar of the Rave or another creature you control enters, if the entering creature was cast and you didn't cast any creature spells during your last turn, return up to two target cards from your graveyard to your hand.

If you have more life than your starting life total, this spell costs {X} less to cast, where X is equal to the difference.
Trample
When Glacier Guardian enters, you may have it fight target creature you don't control.

Trample
When Hunger's Door enters, you may return target Aura card from your graveyard to the battlefield attached to Hunger's Door.

The first spell you cast during each of your opponent's turns cost {U}{B} less to cast.
During each ending phase, nonland cards in your graveyard have flash and surface. The surface cost is equal to their mana cost.
Surface {6}{U}{U}{B}

Whenever Phlage enters or attacks, Phlage deals 2 damage divided as you choose among one or two targets. Draw a card.
{U}{U}{R}{R}: Return Phlage from your graveyard to the battlefield, then put it on the bottom of its owner's library. Activate only as a sorcery.

Whenever Skotha enters or attacks, each opponent discards a card. Then you may return a permanent card with mana value 3 or less from your graveyard to the battlefield.
{B}{B}{G}{G}: Return Skotha from your graveyard to the battlefield, then put it on the bottom of its owner's library. Activate only as a sorcery.

Trample
Amity — Whenever you attack with Stitches, Orphaned and exactly one other creature, transform Stitches at the beginning of the next turn's upkeep.

Flash
Approval — When Congressional Kraken enters, return each nonland permanent with mana value less than or equal to the number of colors among permanents you control to their owners' hands.

When Penrath Ambassador enters, target creature must be blocked each combat this turn if able and target creature can't block this turn.
Basic landcycling {1}{G}

Menace
Whenever Ship Shredder enters or you cast a spell from your graveyard, each opponent loses 2 life and you gain 2 life.

This spell can't be countered.
First strike, haste
Whenever an opponent casts a spell during your turn, End of Mutations deals 5 damage to them.

Favored
Legendary creatures you control have trample.

Matter Harvester has protection from mana values less than the number of artifacts you control.
Whenever a nonland permanent you don't control leaves the battlefield, create a 1/1 colorless Cyborg artifact creature token.

Indestructible
Equipped creature has indestructible as long as it's your turn.
Equip {1}
Spellcharge 5

Vigilance
{T}: Scry 1.
Spellcharge 5

Other creatures you control get +1/+1 and have vigilance.
Spellcharge 5

Flying
Discard a card: Put a +1/+1 counter on Jetstream Cruiser. Activate only once each turn.

{C/B}: Integrate target card in a graveyard.
As long as a creature card with flying is integrated onto Corpsepyre Fiend, it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance.

Menace
Drop — Lurking Glitch enters with two +1/+1 counters on it if you didn't cast any creature spells during your last turn.

{3}: Integrate the top two cards of target player's library.
When Silverbone Chromate dies, you may sacrifice a permanent you control with two or more cards integrated onto it. If you do, return Silverbone Chromate from your graveyard to the battlefield tapped.

Flying
Ward—Discard a card.
You have “Ward—Discard a card.”
At the beginning of your upkeep, your life total becomes equal to your devotion to black.

Menace
When Hazakh Commandos enters, if you control a black permanent, create a 2/2 colorless Minion creature token with decayed.

{1}{R}, {T}, Discard a card: Draw a card. Scalding Crucible deals 1 damage to each opponent.
Spellcharge 5